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Side-by-side financial comparison of Martin Marietta Materials (MLM) and SEI INVESTMENTS CO (SEIC). Click either name above to swap in a different company.

Martin Marietta Materials is the larger business by last-quarter revenue ($1.1B vs $622.2M, roughly 1.8× SEI INVESTMENTS CO). SEI INVESTMENTS CO runs the higher net margin — 28.0% vs 24.5%, a 3.6% gap on every dollar of revenue. On growth, SEI INVESTMENTS CO posted the faster year-over-year revenue change (13.0% vs -30.1%). Over the past eight quarters, SEI INVESTMENTS CO's revenue compounded faster (9.5% CAGR vs -4.5%).

Martin Marietta Materials, Inc. is an American company and a supplier of aggregates and heavy building materials, with operations spanning 26 states, Canada, and the Caribbean. In particular, Martin Marietta Materials supplies resources for the construction of roads, sidewalks, and foundations.

SEI Investments Company, formerly Simulated Environments Inc., is a financial services company headquartered in Oaks, Pennsylvania, United States. SEI provides products and services to institutions, private banks, investment advisors, investment managers, and private clients. Through its subsidiaries and partnerships in which the company has significant interests, SEI manages, advises or administers $1 trillion in hedge funds, private equity, mutual funds and pooled or separately managed asse...

MLM vs SEIC — Head-to-Head

Bigger by revenue
MLM
MLM
1.8× larger
MLM
$1.1B
$622.2M
SEIC
Growing faster (revenue YoY)
SEIC
SEIC
+43.1% gap
SEIC
13.0%
-30.1%
MLM
Higher net margin
SEIC
SEIC
3.6% more per $
SEIC
28.0%
24.5%
MLM
Faster 2-yr revenue CAGR
SEIC
SEIC
Annualised
SEIC
9.5%
-4.5%
MLM

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
MLM
MLM
SEIC
SEIC
Revenue
$1.1B
$622.2M
Net Profit
$279.0M
$174.5M
Gross Margin
35.0%
Operating Margin
24.6%
30.5%
Net Margin
24.5%
28.0%
Revenue YoY
-30.1%
13.0%
Net Profit YoY
-4.8%
15.0%
EPS (diluted)
$4.59
$1.40

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
MLM
MLM
SEIC
SEIC
Q1 26
$622.2M
Q4 25
$1.1B
$607.9M
Q3 25
$1.8B
$578.5M
Q2 25
$1.8B
$559.6M
Q1 25
$1.4B
$551.3M
Q4 24
$1.6B
$557.2M
Q3 24
$1.9B
$537.4M
Q2 24
$1.8B
$519.0M
Net Profit
MLM
MLM
SEIC
SEIC
Q1 26
$174.5M
Q4 25
$279.0M
$172.5M
Q3 25
$414.0M
$164.2M
Q2 25
$328.0M
$227.1M
Q1 25
$116.0M
$151.5M
Q4 24
$293.0M
$155.8M
Q3 24
$363.0M
$154.9M
Q2 24
$294.0M
$139.1M
Gross Margin
MLM
MLM
SEIC
SEIC
Q1 26
Q4 25
35.0%
36.8%
Q3 25
33.1%
35.0%
Q2 25
30.0%
33.8%
Q1 25
24.8%
34.9%
Q4 24
30.0%
33.1%
Q3 24
31.7%
33.8%
Q2 24
29.3%
32.7%
Operating Margin
MLM
MLM
SEIC
SEIC
Q1 26
30.5%
Q4 25
24.6%
26.6%
Q3 25
27.4%
27.7%
Q2 25
25.3%
26.6%
Q1 25
14.3%
28.5%
Q4 24
24.4%
26.1%
Q3 24
25.9%
26.8%
Q2 24
22.6%
26.3%
Net Margin
MLM
MLM
SEIC
SEIC
Q1 26
28.0%
Q4 25
24.5%
28.4%
Q3 25
22.4%
28.4%
Q2 25
18.1%
40.6%
Q1 25
8.6%
27.5%
Q4 24
18.0%
28.0%
Q3 24
19.2%
28.8%
Q2 24
16.7%
26.8%
EPS (diluted)
MLM
MLM
SEIC
SEIC
Q1 26
$1.40
Q4 25
$4.59
$1.38
Q3 25
$6.85
$1.30
Q2 25
$5.43
$1.78
Q1 25
$1.90
$1.17
Q4 24
$4.87
$1.18
Q3 24
$5.91
$1.19
Q2 24
$4.76
$1.05

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
MLM
MLM
SEIC
SEIC
Cash + ST InvestmentsLiquidity on hand
$67.0M
$363.1M
Total DebtLower is stronger
$5.3B
$32.4M
Stockholders' EquityBook value
$10.0B
$2.5B
Total Assets
$18.7B
$3.3B
Debt / EquityLower = less leverage
0.53×
0.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MLM
MLM
SEIC
SEIC
Q1 26
$363.1M
Q4 25
$67.0M
$399.8M
Q3 25
$57.0M
Q2 25
$225.0M
Q1 25
$101.0M
$710.7M
Q4 24
$670.0M
$839.9M
Q3 24
$52.0M
$901.1M
Q2 24
$109.0M
$768.3M
Total Debt
MLM
MLM
SEIC
SEIC
Q1 26
$32.4M
Q4 25
$5.3B
Q3 25
$5.5B
Q2 25
$5.4B
Q1 25
$5.4B
Q4 24
$5.4B
Q3 24
$4.0B
Q2 24
$4.3B
Stockholders' Equity
MLM
MLM
SEIC
SEIC
Q1 26
$2.5B
Q4 25
$10.0B
$2.4B
Q3 25
$9.7B
$2.4B
Q2 25
$9.4B
$2.3B
Q1 25
$9.1B
$2.3B
Q4 24
$9.5B
$2.3B
Q3 24
$9.2B
$2.4B
Q2 24
$8.8B
$2.2B
Total Assets
MLM
MLM
SEIC
SEIC
Q1 26
$3.3B
Q4 25
$18.7B
Q3 25
$18.7B
Q2 25
$18.1B
$2.6B
Q1 25
$17.7B
$2.6B
Q4 24
$18.2B
$2.7B
Q3 24
$16.5B
$2.7B
Q2 24
$16.3B
$2.5B
Debt / Equity
MLM
MLM
SEIC
SEIC
Q1 26
0.01×
Q4 25
0.53×
Q3 25
0.57×
Q2 25
0.58×
Q1 25
0.60×
Q4 24
0.57×
Q3 24
0.44×
Q2 24
0.49×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
MLM
MLM
SEIC
SEIC
Operating Cash FlowLast quarter
$629.0M
Free Cash FlowOCF − Capex
$424.0M
FCF MarginFCF / Revenue
37.2%
Capex IntensityCapex / Revenue
18.0%
Cash ConversionOCF / Net Profit
2.25×
TTM Free Cash FlowTrailing 4 quarters
$978.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MLM
MLM
SEIC
SEIC
Q1 26
Q4 25
$629.0M
$126.4M
Q3 25
$551.0M
$238.3M
Q2 25
$387.0M
$96.5M
Q1 25
$218.0M
$146.5M
Q4 24
$686.0M
$195.3M
Q3 24
$600.0M
$200.0M
Q2 24
$1.0M
$114.7M
Free Cash Flow
MLM
MLM
SEIC
SEIC
Q1 26
Q4 25
$424.0M
$124.8M
Q3 25
$361.0M
$229.6M
Q2 25
$208.0M
$92.7M
Q1 25
$-15.0M
$137.8M
Q4 24
$453.0M
$190.2M
Q3 24
$317.0M
$193.7M
Q2 24
$-138.0M
$107.0M
FCF Margin
MLM
MLM
SEIC
SEIC
Q1 26
Q4 25
37.2%
20.5%
Q3 25
19.6%
39.7%
Q2 25
11.5%
16.6%
Q1 25
-1.1%
25.0%
Q4 24
27.8%
34.1%
Q3 24
16.8%
36.0%
Q2 24
-7.8%
20.6%
Capex Intensity
MLM
MLM
SEIC
SEIC
Q1 26
Q4 25
18.0%
0.3%
Q3 25
10.3%
1.5%
Q2 25
9.9%
0.7%
Q1 25
17.2%
1.6%
Q4 24
14.3%
0.9%
Q3 24
15.0%
1.2%
Q2 24
7.9%
1.5%
Cash Conversion
MLM
MLM
SEIC
SEIC
Q1 26
Q4 25
2.25×
0.73×
Q3 25
1.33×
1.45×
Q2 25
1.18×
0.43×
Q1 25
1.88×
0.97×
Q4 24
2.34×
1.25×
Q3 24
1.65×
1.29×
Q2 24
0.00×
0.82×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

MLM
MLM

Building Materials Business East Group$774.0M68%
Building Materials Business West Group$233.0M20%
Services$88.0M8%
Other$45.0M4%

SEIC
SEIC

Segment breakdown not available.

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